Exam 37: Soil and Plant Nutrition

Soil leaching can cause nutrient deficiencies in the soil. Which of the following are symptoms of nutrient deficiency in plants? I. chlorosis II. death of meristems III. excess storage of chlorophyll IV. small internodes

Synthesis of which of the following compounds in a mature leaf would be least impacted by a temporary soil nitrogen deficiency?

Nitrogen fixation is a process that ________.

Epiphytes are

A young farmer purchases some land in a relatively arid area and is interested in earning a reasonable profit for many years. Which of the following strategies would best allow the farmer to achieve such a goal?

Which criteria allow biologists to divide chemicals into macronutrients and micronutrients?

Carnivorous plants have evolved mechanisms that trap and digest small animals. The products of this digestion are used to supplement the plant's supply of ________.

Which of the following would be the most effective strategy to remove toxic heavy metals from a soil?

A plant developed a mineral deficiency after being treated with a fungicide. What is the most probable cause of the deficiency?

Which of the following is a primary difference between ectomycorrhizae and endomycorrhizae?

If an African violet has chlorosis, which of the following elements might be a useful addition to the soil?

Which elements are most often the limiting nutrients for plant growth?

Roots acidify the soil solution by releasing ________ and pumping ________ into the soil.

The inorganic nutrient most often lacking in crops is

Hyphae form a covering over roots. These hyphae create a large surface area that helps to do which of the following?

We would expect the greatest difference in plant health between two groups of plants of the same species, one group with mycorrhizae and one group without mycorrhizae, in an environment ________.

Epiphytes are ________.

What soil composition would be best for availability of nutrients, water, and root development?

Which one of the following elements plays a critical role in the formation of chlorophyll?

A major function of magnesium in plants is to be ________.